Rat genome database - http://rgd.mcw.edu/wg/

RatMap - http://ratmap.gen.gu.se/

RCSB protein data bank - http://www.rcsb.org/pdb/home/home.do

Readers' guide retrospective -
http://www.hwwilson.com/Databases/rdgretro.htm

ReferenceUSA - http://www.referenceusa.com/

Regional business news - http://galdb1.gsu.edu/cgi-bin/homepage.cgi?link=
zbrn&style=&_id=18b2bc0e-1213989333-6551&_cc=1

Regulatory fish encyclopedia - http://www.cfsan.fda.gov/~frf/rfe0.html

RIA checkpoint. Academic advantage program, tax program library -
http://ria.thomson.com/specialoffers/academicadvantage/ 

Risk abstracts - http://www.csa.com/factsheets/risk-set-c.php

Roper Center public opinion archives - http://www.ropercenter.uconn.edu/

RTO abstracts - http://www.rta.nato.int/abstracts.aspx